Home / 368,129.48-506,764.98-272,455.88

Finding the Fourth Proportional to 368,129.48, 506,764.98 and 272,455.88

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Solution

The fourth proportional to 368,129.48, 506,764.98 and 272,455.88 is: 375,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,129.48 : 506,764.98 = 272,455.88 : x
  2. Step 2: Convert to fraction form
    368,129.48/506,764.98 = 272,455.88/x
  3. Step 3: Cross multiply
    368,129.48x = 506,764.98 × 272,455.88
  4. Step 4: Simplify right side
    368,129.48x = 138,071,098,579.08
  5. Step 5: Solve for x
    x = 138,071,098,579.08/368,129.48
  6. Step 6: Final answer
    x = 375,061.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.